图片文件尺寸: 1830 x 3000px
关于春天形象的研究-埃利胡·韦德尔
` Studies for Figure of Spring--Elihu Vedder (美国艺术家, 1836-1923)
图片文件尺寸: 5400×4592 px
新型冠状病毒2019冠状病毒疾病株CVID-19-国家过敏和传染病研究所
-Coronavirus disease 2019 (COVID-19).
Colorized scanning electron micrograph of an apoptotic cell (green) heavily infected with SARS-COV-2 virus particles (purple), isolated from a patient sample. Image captured and color-enhanced at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland.